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Forum Home > Hidden Dangers > Butter with Flame Retardants, Extent of Contamination Unknown

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Butter with Flame Retardants, Extent of Contamination Unknown

Sun Feb 13 2011 07:31
A study published December 7 ahead of print in the peer-reviewed journal Environmental Health Perspectives (EHP) reports what scientists believe is the worst documented U.S. case of food contamination with polybrominated diphenyl ether (PBDE) flame retardants. The incident also marks the first time food contamination has been thought to result from PBDEs in a food's packaging. One of ten samples of butter purchased at five Dallas grocery stores contained high concentrations of deca-BDE, a PBDE compound widely used in electronics as well as in textiles, wire and cable insulation, and automobile and airplane components. Animal studies have linked consumption of deca-BDE with thyroid hormone changes in adult rodents and neurobehavioral changes in young rodents. PBDE levels in the contaminated butter were more than 135 times higher than the average of the other nine samples; levels of BDE-209, the main component of deca-BDE, were more than 900 times higher. The contamination came to light during a routine investigation intended to help scientists improve estimates of the amount of PBDEs and other persistent organic pollutants people inadvertently consume in food. Scientists have detected low levels of these compounds in many fat-rich foods including fish such as salmon, meat, poultry, eggs, and dairy products. Further investigation revealed the butter's paper wrapper had PBDE levels more than 16 times greater than levels in the butter itself. It is unclear whether the paper was contaminated before or after it reached the butter packaging plant, according to lead author Arnold Schecter of the University of Texas School of Public Health, Dallas Campus. The source of the contamination also is unclear. U.S. manufacturers have agreed to end all uses of deca-BDE by 2014, and the European Union phased it out in 2008. However, chemicals don't vanish from the environment just because they're phased out, Schecter says, and products containing deca-BDE often are used for many years. The authors of the paper agree their research underscores the need for a regulatory program that samples American food for persistent organic pollutants such as PBDEs. Schecter's coauthors include Sarah Smith and Noor Malik of the University of Texas School of Public Health, Dallas Campus; Justin Colacino of the University of Michigan School of Public Health; Matthias Opel and Olaf Paepke of the Eurofins GfA laboratory in Germany; and Linda Birnbaum of the National Institute of Environmental Health Sciences and National Cancer Institute, U.S. National Institutes of Health. The article is available at ehponline.org/article/info:doi/10.1289/ehp.1002604. EHP is published by the National Institute of Environmental Health Sciences, National Institutes of Health, U.S. Department of Health and Human Services. EHP is an open-access journal, and all EHP content is available free online at www.ehponline.org/. Source:  National Institute of Environmental Health Sciences

February 16, 2011 at 12:35 AM Flag Quote & Reply

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